Oswald Record are the UK distributors of the STV range of concrete preparation equipment. Made in France and Scandinavia to exacting standards, STV's range of pokers include air, mechanical and electric drive models which are designed to suit many applications. Air Pokers The BP range of air pokers are specially designed for building and civil engineering applications. Fitted with a hardened steel turbine for and extended lifetime and an integral silencer for operator comfort, there is a diameter of vibrator available to suit many purposes. Model Diameter Weight Hose length Air cons. BP25 25 mm 2.44 kg 1.5 m 13 cfm BP35 35 mm 3.76 kg 2.0 m 16 cfm BP45 45 mm 6.06 kg 2.0 m 23 cfm BP55 55 mm 8.60 kg 2.0 m 30 cfm BP65 65 mm 10.65 kg 2.0 m 36 cfm BP75 75 mm 12.40 kg 1.5 m 42 cfm Mechanical Pokers The BZ range of mechanical pokers come complete with a flexible shaft and coupling which is compatible with many manufacturers power dive units. Model Diameter. Weight Hose length BZ25 25 mm 9.5 kg 4.82 m BZ35 35 mm 11.6 kg 4.82 m BZ45 45 mm 16.7 kg 4.82 m BZ55 55 mm 14.5 kg 4.82 m